What's the difference between i.e. and e.g.?
early 14c., of uncertain origin, perhaps from Scandinavian (cf. Swedish dialectal puta "to be puffed out"), or Frisian (cf. East Frisian püt "bag, swelling," Low German puddig "swollen"); related via notion of "inflation" to Old English ælepute "fish with inflated parts," and Middle Dutch puyt, Flemish puut "frog," from hypothetical PIE imitative root *beu- suggesting "swelling" (see bull (n.2)). Related: Pouted; pouting. As a noun from 1590s.
common fish of the cod family, Gadidae, found in the sea along European coastlines. The bib is a rather deep-bodied fish with a chin barbel, three close-set dorsal fins, and two close-set anal fins. It usually grows no longer than about 30 cm (12 inches) and is copper red with darker bars. Though abundant, it is not sought as food.